I have the same chipset in my HP 6820s and I used a loader which emulates slic 2.1 and successfully activated WIn 7.
it might be AMI BIOS ( string AMIBIOSCf¹, $Revision: 1.05$Úâ, AMIBIOSC0800ÿÿý) you need to give more info about motherboard, or notebook anyway, you need a master who will you the correct answer good luck